Product comparison · 2 laptops

Fujitsu LIFEBOOK 751 Intel® Core™ i5 i5-2520M vs Fujitsu LIFEBOOK S781 Intel® Core™ i7 i7-2640M

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  • 118specifications compared
  • 29differ
  • 89identical
  • 53known for one product only

Key differences

  • Product colour
    • LIFEBOOK 751 Intel® Core™ i5 i5-2520M:Black, White
    • LIFEBOOK S781 Intel® Core™ i7 i7-2640M:Black, Silver
  • Display diagonal
    • LIFEBOOK 751 Intel® Core™ i5 i5-2520M:39.6 cm (15.6")
    • LIFEBOOK S781 Intel® Core™ i7 i7-2640M:35.6 cm (14")
  • Processor family
    • LIFEBOOK 751 Intel® Core™ i5 i5-2520M:Intel® Core™ i5
    • LIFEBOOK S781 Intel® Core™ i7 i7-2640M:Intel® Core™ i7
  • Processor generation
    • LIFEBOOK 751 Intel® Core™ i5 i5-2520M:2nd gen Intel® Core™ i5
    • LIFEBOOK S781 Intel® Core™ i7 i7-2640M:2nd gen Intel® Core™ i7
  • Processor model
    • LIFEBOOK 751 Intel® Core™ i5 i5-2520M:i5-2520M
    • LIFEBOOK S781 Intel® Core™ i7 i7-2640M:i7-2640M
  • Processor boost frequency
    • LIFEBOOK 751 Intel® Core™ i5 i5-2520M:3.2 GHz
    • LIFEBOOK S781 Intel® Core™ i7 i7-2640M:3.5 GHz
  • Processor frequency
    • LIFEBOOK 751 Intel® Core™ i5 i5-2520M:2.5 GHz
    • LIFEBOOK S781 Intel® Core™ i7 i7-2640M:2.8 GHz
  • Processor cache
    • LIFEBOOK 751 Intel® Core™ i5 i5-2520M:3 MB
    • LIFEBOOK S781 Intel® Core™ i7 i7-2640M:4 MB

Side by side

Differences highlightedShow differences only (on)
Comparison of 751, S781
171 specifications
Design1 differ
Product colourDiffersBlack, WhiteBlack, Silver
Form factorKnown for oneUnknown — not stated by the sourceClamshell
Display1 differ
Display diagonalDiffers39.6 cm (15.6")35.6 cm (14")
Display brightnessKnown for oneUnknown — not stated by the source220 cd/m²
Contrast ratio (typical)Known for oneUnknown — not stated by the source300:1
Processor10 differ
Processor familyDiffersIntel® Core™ i5Intel® Core™ i7
Processor generationDiffers2nd gen Intel® Core™ i52nd gen Intel® Core™ i7
Processor modelDiffersi5-2520Mi7-2640M
Processor boost frequencyDiffers3.2 GHz3.5 GHz
Processor frequencyDiffers2.5 GHz2.8 GHz
Processor cacheDiffers3 MB4 MB
Processor seriesDiffersIntel Core i5-2500 Mobile SeriesIntel Core i7-2600 Mobile Series
TjunctionDiffers100 °C100 C
PCI Express configurationsDiffers1x16, 2x8, 1x8+2x41x16, 2x8
CPU multiplier (bus/core ratio)Differs2528
Compatible processor seriesKnown for oneUnknown — not stated by the sourceIntel® Core™ i7
Processor socketKnown for oneSocket 988Unknown — not stated by the source
Processor upgradeKnown for oneYesUnknown — not stated by the source
Memory1 differ
Memory slotsDiffers1x SO-DIMM2x SO-DIMM
Storage3 differ
Total storage capacityDiffers320 GB128 GB
Storage mediaDiffersHDDSSD
SSD capacityKnown for oneUnknown — not stated by the source128 GB
Compatible memory cardsDiffersMemory Stick (MS), SDMemory Stick (MS), MS PRO, SD
HDD interfaceKnown for oneSATAUnknown — not stated by the source
HDD speedKnown for one7200 RPMUnknown — not stated by the source
Graphicsidentical
Maximum resolutionKnown for oneUnknown — not stated by the source2560 x 1600 pixels
Audioidentical
Audio system full duplexKnown for oneUnknown — not stated by the sourceYes
Audio systemKnown for oneRealtek ALC269 HDUnknown — not stated by the source
Optical driveidentical
Disc types supportedKnown for oneUnknown — not stated by the sourceCD-R, CD-RW, DVD+R, DVD+RW, DVD-R, DVD-RW
Network1 differ
Mobile network connectionKnown for oneUnknown — not stated by the sourceYes
Mobile network generationKnown for oneUnknown — not stated by the source3G
Networking featuresKnown for oneUnknown — not stated by the sourceGigabit Ethernet
Wireless technologyKnown for oneUnknown — not stated by the sourceWi-Fi
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11a, 802.11b, 802.11g
Ethernet LAN data ratesKnown for oneUnknown — not stated by the source10,100,1000 Mbit/s
Data networkKnown for oneUnknown — not stated by the sourceYes
Top Wi-Fi standardKnown for oneWi-Fi 4 (802.11n)Unknown — not stated by the source
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers23
eSATA/USB 2.0 ports quantityKnown for oneUnknown — not stated by the source0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for oneUnknown — not stated by the source0
eSATA ports quantityDiffers10
Ethernet LAN (RJ-45) portsKnown for oneUnknown — not stated by the source1
HDMI ports quantityKnown for oneUnknown — not stated by the source0
DisplayPorts quantityKnown for oneUnknown — not stated by the source1
DVI portKnown for oneUnknown — not stated by the sourceNo
Firewire (IEEE 1394) portsKnown for oneUnknown — not stated by the source0
Thunderbolt ports quantityKnown for oneUnknown — not stated by the source0
Headphone outputsKnown for oneUnknown — not stated by the source1
Microphone inKnown for oneUnknown — not stated by the sourceYes
Docking connectorKnown for oneUnknown — not stated by the sourceYes
CardBus PCMCIA slots quantityKnown for oneUnknown — not stated by the source0
CardBus PCMCIA slot typeKnown for oneUnknown — not stated by the sourceNo
Performanceidentical
Motherboard chipsetKnown for oneUnknown — not stated by the sourceIntel® QM67 Express
Keyboard2 differ
Numeric keypadDiffersYesNo
Keyboard number of keysDiffers8485
Keyboard layoutKnown for oneQWERTYUnknown — not stated by the source
Softwareidentical
Operating system architectureKnown for oneUnknown — not stated by the source64-bit
Bundled softwareKnown for oneSoftex Omnipass CyberLink PowerDVD CyberLink PowerDirector Roxio Easy Media Creator Adobe Acrobat ReaderUnknown — not stated by the source
Processor special features3 differ
Intel® Insider™DiffersNoYes
Processor ARK IDDiffers5222953464
Processor codeDiffersSR048SR03R
Batteryidentical
Battery technologyKnown for oneUnknown — not stated by the sourceLithium-Ion (Li-Ion)
Battery life (max)Known for oneUnknown — not stated by the source10 h
Battery recharge timeKnown for one5.4 hUnknown — not stated by the source
Poweridentical
AC adapter output currentKnown for oneUnknown — not stated by the source4.22 A
AC adapter input voltageKnown for one100 - 240 VUnknown — not stated by the source
Security2 differ
Cable lock slotDiffersNoYes
Cable lock slot typeKnown for oneUnknown — not stated by the sourceKensington
Password protection typeDiffersBIOS, HDDBIOS, Supervisor, User
Fingerprint readerKnown for oneYesUnknown — not stated by the source
Trusted Platform Module (TPM)Known for oneYesUnknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for oneUnknown — not stated by the source5 - 35 °C
Operating relative humidity (H-H)Known for oneUnknown — not stated by the source20 - 80%
Weight & dimensions3 differ
WeightDiffers2.7 kg2.15 kg
WidthDiffers374 mm340 mm
HeightDiffers37 mm35 mm
Packaging contentidentical
AC adapter includedKnown for oneUnknown — not stated by the sourceYes
ManualKnown for oneUnknown — not stated by the sourceYes
Other featuresidentical
Infrared data portKnown for oneUnknown — not stated by the sourceNo
Compliance industry standardsKnown for oneUnknown — not stated by the sourceIEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Power requirementsKnown for oneUnknown — not stated by the source100 - 240V
Power supply typeKnown for oneUnknown — not stated by the sourceAC/DC

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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